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Developer DataFormat Tools

Lightning-fast. Privacy-first. Free.

Upload files or paste content for professional-grade data format conversion. All processing runs entirely in your browser - no server uploads, no tracking, no limits.

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Popular Tools

JSON Formatter

Popular

Beautify and format JSON with proper indentation for easy reading

JSON Validator

Popular

Validate JSON syntax and catch errors before deployment

JSON Minifier

Compress JSON by removing whitespace to reduce file size

JSON Viewer

New

Explore and visualize nested JSON structures with interactive tree navigation

JSON Diff & Compare

New

Compare two JSON objects side-by-side and highlight differences

Base64 Encoder

Encode text and data to Base64 format for safe transmission

Base64 Decoder

Popular

Decode Base64 encoded strings back to readable text

URL Encoder

Encode URLs and query strings for safe transmission

URL Decoder

Decode URL-encoded strings back to readable text

HTML Entity Encoder

New

Encode special characters to HTML entities for safe display

HTML Entity Decoder

New

Decode HTML entities back to readable characters

Binary to Text

Convert binary data to human-readable text format

Text to Binary

Convert text to binary format for encoding and storage

Hex to Text

Convert hexadecimal strings back to readable text

Text to Hex

Convert text to hexadecimal format for low-level data processing

ASCII Table

Reference

Reference table for ASCII character codes and values

JSON to CSV

Easy Win

Export JSON data as CSV for spreadsheets and databases

CSV to JSON

Import CSV data and convert it to JSON format

JSON to YAML

Easy Win

Convert JSON data to YAML format for configuration files

YAML to JSON

Easy Win

Convert YAML configuration files to JSON format instantly

JSON to XML

Convert JSON to XML format for legacy systems and APIs

XML to JSON

Transform XML to JSON for modern web applications

JSON Schema Validator

New

Validate JSON data against JSON Schema specifications

CSV Validator

New

Validate CSV format and check for common formatting errors

YAML Validator

New

Validate YAML syntax and detect configuration errors

XML Validator

New

Check XML well-formedness and validate document structure

Why FormatKit?

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Privacy First

All processing happens in your browser. Your data never leaves your device.

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Lightning Fast

No server roundtrips. Instant conversions with real-time processing.

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Keyboard Shortcuts

Power user features with keyboard shortcuts. Work faster with Ctrl+Enter and more.

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File Upload Support

Drag and drop files or click to browse. Process files up to 10MB directly in your browser.

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